David Byrne talks bikes on the Sundance Channel tonight

If you're a fan of David Byrne, you likely already know he had a little cycling accident and broke a couple ribs earlier this month. That snafu notwithstanding, Byrne's a big bicycling advocate -- and he promotes the biking life in "Transport," the latest episode from Sundance's "Big Ideas for a Small Planet."

"Transport" showcases the bicycle in a segment that centers around Portland, where bicycles even get their own signals at busy intersections. Find out what bike-friendly initiatives have been implemented in other cities, then see how those ideas stack up to the suggestions L.A. bicyclists have for improving the bike lifestyle in L.A.

The episode also highlights some MIT people inventing urban commuter cars that are electric, stackable, and can be rented with the swipe of a credit card -- much like those luggage carts at airports! These rentable cars aren't on the market yet, but green car geeks can still see what may be coming down the pipeline.

The show airs tonight at 9 on the Sundance Channel. If you missed previous "Big Ideas" episodes, you can catch up via iTunes.  One of my favorite "Big Ideas" episodes -- "Grow" -- actually aired last week. The short program covered everything from xeriscaping to green roofs. Did you know green roofs can lessen urban runoff, create habitat for insects and birds, reduce energy use (primarily by cooling the building naturally), provide food, and triple the life of the roofing material? I don't actually have a roof to green, but I'm wondering if I can turn my balcony into a green roof-like surface ...